Patients with alpha-gal syndrome (AGS) reported many previousely undocumented physical and mental effects along with a profound quality-of-life impact, according to latest survey results presented at the American Academy of Allergy, Asthma & Immunology Annual Meeting. Understanding the vast range of symptoms that can indicate alpha-gal syndrome — the first known carbohydrate-based allergy to mammalian-derived ingredients, which is associated with tick bites — is essential for diagnosing clinicians, according to the researchers.